Psychophysics is the scientific study of the relationship between physical stimuli and the subjective sensations and perceptions evoked by these stimuli. The term psychophysics is used to denote both the substantive study of stimulus-response relationships and the methodologies used for this study.

learn more… | top users | synonyms

6
votes
1answer
56 views

What is the biological limit on hearing resolution?

I sometimes wonder how many different individual musical scales could be perceived by human ears. I define a musical scale as a collection of notes that relate to some fundamental frequency by ...
1
vote
1answer
49 views

Is there an absolute minimum intensity level to the stimuli we can perceive?

By stimuli that we can perceive, I mean what our five senses can perceive. Is there an absolute minimum for humans, or can we "train" ourselves to perceive stimuli at lower intensity? And if there ...
6
votes
1answer
94 views

How well do we notice asynchronicity?

I'm stopped at a stoplight and, with nothing to do, my thoughts wander to the timed don't-walk sign that governs any pedestrians who might wish to cross the street I'm driving along. I can see two ...
7
votes
1answer
1k views

Does the human ear adapt to noise levels?

I have noticed lately that if I go to sleep, when I have my radio running, it is on lowest volume, I still consider it kind of loud. In the morning, when being on the edge of waking up, I hear the ...
5
votes
1answer
136 views

What determines the perceived pitch (frequency) of tinnitus?

I noticed that every time I suffer temporary tinnitus after going to a very loud concert, the frequency I perceive is identical. I'd put it somewhere around 17 kHz, but it's difficult to pin down with ...